After recently reading the revived thread regarding IQ, it brought this musician back to mind. He is blind and autistic after being born prematurely, his twin sister not having survived. If you have the time, watch the entire 5 part series on youtube. If not, here is a link to an article:
http://www.dailymail.co.uk/news/art...isabled-master-song-hearing--What-secret.html
The first part of five:
http://www.dailymail.co.uk/news/art...isabled-master-song-hearing--What-secret.html
The first part of five: